Period blood is dark heavy and mucus like. is that normal? i find on my pad like a big red soft jelly form of blood first time.

Irregular periods: Irregular periods are one of the most common problems obgyns treat. If this is one time problem it usually resolves on its own. If this is a recurring problem you should be evaluated. Infections ; hormonal changes can cause spotting. If there is a concern for pregnancy then do a home pregnancy test . There are many options available to help regulate the menstrual cycle. Schedule a visit.

Periods: It sounds like you are describing clotted blood which can be normal if you are having a heavy period. As long as you are not bleeding excessively or passing large amounts of clots then you can just observe. If it worsens then you should follow up with your GYN or primary care doctor for further testing.